pg_free_result

(PHP 4 >= 4.2.0, PHP 5, PHP 7)

pg_free_resultFree result memory

Descrierea

pg_free_result ( resource $result ) : bool

pg_free_result() frees the memory and data associated with the specified PostgreSQL query result resource.

This function need only be called if memory consumption during script execution is a problem. Otherwise, all result memory will be automatically freed when the script ends.

Notă:

This function used to be called pg_freeresult().

Parametri

result

PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).

Valorile întoarse

Întoarce valoarea TRUE în cazul succesului sau FALSE în cazul eșecului.

Exemple

Example #1 pg_free_result() example

<?php
$db 
pg_connect("dbname=users user=me") || die();

$res pg_query($db"SELECT 1 UNION ALL SELECT 2");

$val pg_fetch_result($res10);

echo 
"First field in the second row is: "$val"\n";

pg_free_result($res);
?>

Exemplul de mai sus va afișa:

First field in the second row is: 2

A se vedea și

  • pg_query() - Execute a query
  • pg_query_params() - Submits a command to the server and waits for the result, with the ability to pass parameters separately from the SQL command text
  • pg_execute() - Sends a request to execute a prepared statement with given parameters, and waits for the result